Curcumin Beadlets

Curcumin Beadlets Curcumin is the principal curcuminoid of the popular Indian spice turmeric, which is a member of the ginger family (Zingiberaceae).

The other two curcuminoids are desmethoxycurcumin and bis-desmethoxycurcumin. The curcuminoids are natural phenols and are responsible for the yellow color of turmeric.

Curcumin can exist in at least two tautomeric forms, keto and enol. The enol form is more energetically stable in the solid phase and in solution.

Curcumin can be used for boron quantification in the curcumin method. It reacts with boric acid forming a red colored compound, known as rosocyanine.

Curcumin is brightly yellow colored and may be used as a food coloring. As a food additive, its E number is E100.

Curcumin Systematic (IUPAC) Name Curcumin Identifiers Curcumin Chemical data
(1E,6E)-1,7-bis (4-hydroxy-3-methoxyphenyl) -1,6-heptadiene-3,5-dione
CAS number : 458-37-7
PubChem : 969516
ChemSpider : 839564
UNII : IT942ZTH98
ChEMBL : CHEMBL116438
Formula : C21H20O6
Mol. mass : 368.38 g/mol
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